• molecular
  • Molecular cloning methods are central to many contemporary areas of modern biology and medicine. (wikipedia.org)
  • This changed dramatically with the advent of molecular cloning methods. (wikipedia.org)
  • The fundamental difference between the two methods is that molecular cloning involves replication of the DNA in a living microorganism, while PCR replicates DNA in an in vitro solution, free of living cells. (wikipedia.org)
  • repeats
  • Examples of the DNA sequences that are difficult to clone are inverted repeats, origins of replication, centromeres and telomeres. (wikipedia.org)